| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.17 | 4.15 | 0.02 |
| Feb | 4.19 | 4.10 | 0.09 |
| Mar | 4.55 | 4.64 | -0.09 |
| Apr | 3.46 | 3.46 | 0.00 |
| May | 2.99 | 3.01 | -0.02 |
| Jun | 4.04 | 4.32 | -0.28 |
| Jul | 4.11 | 4.19 | -0.08 |
| Aug | 4.49 | 4.70 | -0.21 |
| Sep | 3.85 | 4.23 | -0.38 |
| Oct | 2.74 | 2.66 | 0.08 |
| Nov | 3.14 | 3.30 | -0.16 |
| Dec | 4.31 | 4.34 | -0.03 |
46.04 | 47.10 | -1.06 |